(Photo: Reuters/Sam Hodgson)Demonstrators picket before the possible arrival of undocumented migrants who may be processed at the Murrieta Border Patrol Station in Murrieta, California July 4, 2014. Residents of the Southern California town confronted their mayor on Wednesday over the arrival of Central American migrants for processing after they slipped across the Mexico border into Texas, extending an influx that has swamped authorities there.